Seiko Cal. 5278 - 400

This Spring Drive model from 1986 features a 39mm PVD Black case. With its 21mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-380f48d1d47f]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1986

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